mixture vs pharmacology

mixture

noun
  • A medicinal compound, typically a suspension of a solid in a solution 

  • A compound organ stop. 

  • A cloth of variegated colouring. 

  • Something that consists of diverse elements. 

  • A mix of different dry foods as a snack, especially chevda or Bombay mix. 

  • The act of mixing. 

  • Something produced by mixing. 

pharmacology

noun
  • The properties and reactions of drugs especially with relation to their therapeutic value. 

  • The science of drugs including their origin, composition, pharmacokinetics, therapeutic use, and toxicology. 

How often have the words mixture and pharmacology occurred in a corpus of books? (source: Google Ngram Viewer )